| Vendor | Spec | Unit | Price | Currency | Date |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 537.59 | USD | 20251211 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 110.35 | USD | 20251211 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 110.24 | USD | 20251210 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 537.08 | USD | 20251210 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 536.93 | USD | 20251209 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 110.21 | USD | 20251209 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 110.23 | USD | 20251208 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 537.0 | USD | 20251208 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 537.07 | USD | 20251203 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 110.24 | USD | 20251203 |